<template>
  <div class="playlist">
    <div class="playlist-top">
      <div class="left">
        <svg
          class="icon"
          aria-hidden="true"
        >
          <use xlink:href="#icon-bofang2"></use>
        </svg>
        <div class="text">
          <div class="title">播放全部</div>
          <div class="num">（共{{playlist.tracks.length}}首）</div>
        </div>
      </div>
      <div class="btn">
        + 收藏（{{changeValue(playlist.subscribedCount)}}）
      </div>
    </div>
    <div class="list">
      <div
        class="playItem"
        v-for="(item,index) in playlist.tracks"
        :key="item.id"
      >
        <div class="left">
          <div class="index">{{index+1}}</div>
          <div class="content">
            <div class="title">{{item.name}}</div>
            <div class="tags">
              <span
                class="tag"
                v-for="(tag,i) in playlist.tags"
                :key="i"
              >{{tag}}</span>
              <span class="author">
                {{item.al.name}}
              </span>
            </div>
          </div>
        </div>
        <div class="right">
          <svg
            class="icon"
            aria-hidden="true"
            @click="setPlayIndex(index)"
          >
            <use xlink:href="#icon-bofang1"></use>
          </svg>
          <svg
            class="icon"
            aria-hidden="true"
          >
            <use xlink:href="#icon-liebiao"></use>
          </svg>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import {mapMutations} from 'vuex'
  export default {
    props:['playlist'],
    methods: {
      ...mapMutations(['setPlayIndex']),
    },
    setup() {
      function changeValue(num){
       let res = 0;
       if(num>=100000000){
         res = num/100000000;
         res = res.toFixed(2) + '亿';
       }else if(num>=10000){
         res = num/10000;
         res = res.toFixed(2) + '万';
       }
       return res;
     }
     return {
       changeValue
     }
    }
  }
</script>

<style lang="less" scoped>
.playlist {
  width: 7.5rem;
  padding: 0 0.4rem;
  background-color: #fff;
  border-top-left-radius: 0.3rem;
  border-top-right-radius: 0.3rem;
  margin-top: 0.4rem;
  .playlist-top {
    display: flex;
    justify-content: space-between;
    height: 1rem;
    align-items: center;
    .left {
      display: flex;
      align-items: center;
      .icon {
        width: 0.4rem;
        height: 0.4rem;
      }
      .text {
        display: flex;
        align-items: center;
        margin-left: 0.2rem;
        .title {
          font-size: 0.34rem;
          font-weight: 600;
        }
        .num {
          font-size: 0.24rem;
          color: #666;
        }
      }
    }
    .btn {
      font-size: 0.24rem;
      color: #fff;
      background-color: orangered;
      line-height: 0.6rem;
      padding: 0.1rem;
      border-radius: 0.4rem;
    }
  }
  .list {
    .playItem {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 1rem;
      .left {
        display: flex;
        align-items: center;
        color: #666;
        .index {
          width: 0.4rem;
        }
        .content {
          margin-left: 0.4rem;
          max-width: 4.5rem;
          .title {
            font-size: 0.3rem;
            font-weight: 900;
            color: #000;
            margin-bottom: 0.1rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
          }
          .tags {
            display: flex;
            align-items: center;
            .tag {
              font-size: 0.2rem;
              color: orangered;
              border: 1px solid orangered;
              border-radius: 0.1rem;
              flex-shrink: 0;
              margin-right: 0.1rem;
              padding: 0 0.05rem;
            }
            .author {
              color: #666;
              white-space: nowrap;
              overflow: hidden;
              text-overflow: ellipsis;
              display: inline-block;
            }
          }
        }
      }
      .right {
        .icon {
          margin: 0 0.2rem;
        }
      }
    }
  }
}
</style>